LXR linux/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h

   1#ifndef __NVKM_ENGINE_H__
   2#define __NVKM_ENGINE_H__
   3#define nvkm_engine(p) container_of((p), struct nvkm_engine, subdev)
   4#include <core/subdev.h>
   5struct nvkm_fifo_chan;
   6struct nvkm_fb_tile;
   7
   8struct nvkm_engine {
   9        const struct nvkm_engine_func *func;
  10        struct nvkm_subdev subdev;
  11        spinlock_t lock;
  12
  13        int usecount;
  14};
  15
  16struct nvkm_engine_func {
  17        void *(*dtor)(struct nvkm_engine *);
  18        int (*oneinit)(struct nvkm_engine *);
  19        int (*init)(struct nvkm_engine *);
  20        int (*fini)(struct nvkm_engine *, bool suspend);
  21        void (*intr)(struct nvkm_engine *);
  22        void (*tile)(struct nvkm_engine *, int region, struct nvkm_fb_tile *);
  23
  24        struct {
  25                int (*sclass)(struct nvkm_oclass *, int index,
  26                              const struct nvkm_device_oclass **);
  27        } base;
  28
  29        struct {
  30                int (*cclass)(struct nvkm_fifo_chan *,
  31                              const struct nvkm_oclass *,
  32                              struct nvkm_object **);
  33                int (*sclass)(struct nvkm_oclass *, int index);
  34        } fifo;
  35
  36        const struct nvkm_object_func *cclass;
  37        struct nvkm_sclass sclass[];
  38};
  39
  40int nvkm_engine_ctor(const struct nvkm_engine_func *, struct nvkm_device *,
  41                     int index, bool enable, struct nvkm_engine *);
  42int nvkm_engine_new_(const struct nvkm_engine_func *, struct nvkm_device *,
  43                     int index, bool enable, struct nvkm_engine **);
  44struct nvkm_engine *nvkm_engine_ref(struct nvkm_engine *);
  45void nvkm_engine_unref(struct nvkm_engine **);
  46void nvkm_engine_tile(struct nvkm_engine *, int region);
  47#endif
  48